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OBJECTIVE: To describe the characteristics of perichondritis caused by piercing in the cartilage of the auricular pavilion and the proper antibiotic treatment. MATERIAL AND METHOD: A retrospective, descriptive, observational and crosssectional study of the cases of perichondritis diagnosed in otolaryngology outpatient clinic from November 2015 to December 2017 was carried out. RESULTS: We analyzed 11 cases of perichondritis caused by transcartilaginous piercing in the auricular pavilion. The most frequent etiologies were bacterial type due to Pseudomonas aeruginosa and methicillin resistant Staphylococcus aureus (MRSA). CONCLUSIONS: Perichondritis is reported more frequently in young women, who assist again to the place were piercing was done searching for a solution, where they receive inadequate information, prolonging and complication even more the infection. It is necessary to know the adequate treatment to avoid complications of greater severity. [ABSTRACT FROM AUTHOR]